National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

77°F

25°C

Humidity 64%
Wind Speed S 8 mph
Barometer 30.09 in (1018.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Jun 9:54 am CDT
Extended Forecast for

5 Miles SW Elsberry MO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 80. West wind around 6 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 66. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 90%.

    Low: 66 °F

    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 79. South wind around 6 mph. Chance of precipitation is 80%.

    High: 79 °F

    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 80. West wind around 6 mph.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Light and variable wind.
Thursday Night
Showers and possibly a thunderstorm. Low around 66. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 79. South wind around 6 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Clear, with a low around 75.
Tuesday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Elsberry MO
 39.1°N 90.84°W (Elev. 801 ft)
Last Update:
8:31 am CDT Jun 24, 2026
Forecast Valid:
10am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation